One word - natural selection.
Life on Earth has been evolving for millions of years, humans only appearead around 200,000 years ago.
For 200,000 years they mated and the female preferred to get fucked by fit, strong healthy and handsome men.
Undoubtedly there were ugly dudes, not fit, or...
accident
beauties
bottleneck
darwin
dead
dead guys
disgusting
evolution
fit
gene pool
guys
human
johannaxn
men
naked
natural selection
necrohomo
perfect
play
selection
sex
survival
twisted
years
young